"as this document" should be "than this document"
* [Testing Rust code][testing]
* [The Rust Runtime][runtime]
* [Testing Rust code][testing]
* [The Rust Runtime][runtime]
-There is further documentation on the [wiki], however those tend to be even more out of date as this document.
+There is further documentation on the [wiki], however those tend to be even more out of date than this document.
[pointers]: guide-pointers.html
[lifetimes]: guide-lifetimes.html
[pointers]: guide-pointers.html
[lifetimes]: guide-lifetimes.html